body{
    height: auto !important;
}

.main {
    background: #faf9ff;
    font-family: "Montserrat", serif;
    font-optical-sizing: auto;
    font-style: normal;
}

.header {
    padding: 50px 15px 0;
    font-size: 45px;
    font-weight: 500;
    text-align: center;
    background-color: #fff;
    color: #3A57E8;
}

.header::after {
    border-bottom: 3px solid;
    border-color: #3A57E8;
    content: '';
    margin: 0 auto;
    display: block;
    height: 15px;
    width: 110px;
}

.main .certificates img {
    margin: 30px 0 50px;
    box-shadow: 0px 0px 4px 2px #d2cfcf;
    transition: .4s;
}

.gallery img:hover {
    transform: scale(1.05);
}

.main .certificates {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.main .certificates .text {
    text-align: center;
    color: #3A57E8;
    font-size: 32px;
}

@media (max-width: 950px) {
    .header {
        padding: 50px 15px 20px;
        font-size: 35px;
    }

    .main .certificates .text {
        font-size: 26px;
    }

    .main .certificates {
        margin-top: 20px;
    }
}

@media (max-width: 650px) {
    .CPO-gallery {
        display: flex;
        flex-direction: column;
        margin: 30px 0;
    }

    .CPO-gallery img {
        margin: 5px 0 !important;
    }
}